US3350167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing hydrated nickel carbonate and the product thereof
Assignee: Hanson Van Winkle Munning Co
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Filing: 1963-09-26
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Granted: 1967-10-31
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Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 Warren H Mcmullen
- 👤 Thomas J Mooney
- 👤 Jr William B Stoddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:40
CPC Classifications
C; C01; C01G; C01G53/00; C01G53/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
53 words
A PROCESS FOR PRODUCING NICKEL CARBNATE IN FINE CRYSTALLINE FROM HAVING FAST FILTERING AND WASHING CHARACTERISTICS, WHICH COMPRISES REACTING A WATER SOLUBLE NICKEL SALT WITH AN ALKALI HYDROGEN CARBONATE IN AN AGITATED AQUEOUS MEDIUM AT A TEMPERATURE RANGING FROM ABOUT 27*C. TO ABOUT 48*C. AND RECOVERING SAID NICKEL CARBONATE FROM THE AQUEOUS MEDIUM.
Claim 2
Dependent Claim
53 words
A PROCESS FOR PRODUCING NICKEL CARBNATE IN FINE CRYSTALLINE FROM HAVING FAST FILTERING AND WASHING CHARACTERISTICS, WHICH COMPRISES REACTING A WATER SOLUBLE NICKEL SALT WITH AN ALKALI HYDROGEN CARBONATE IN AN AGITATED AQUEOUS MEDIUM AT A TEMPERATURE RANGING FROM ABOUT 27*C. TO ABOUT 48*C. AND RECOVERING SAID NICKEL CARBONATE FROM THE AQUEOUS MEDIUM.
Claim 3
Dependent Claim
10 words
NICKEL CARBONATE PRODUCED IN A PROCESS ACCORDING TO CLAIM 1.
References Cited (Backward Citations)
US1427037A
Cited
GB893168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |